1MAC050144-MB C
Section 6
Supervision functions
615 series ANSI
445
Technical Manual
Figure 237:
Connection diagram for current circuit supervision with two sets of
three-phase current transformer cores (protection and measurement)
Example of incorrect connection
The currents must be measured with two independent cores, that is, the phase currents
must be measured with a different core than the reference current. A connection diagram
shows an example of a case where the phase currents and the reference currents are
measured from the same core.
Содержание 615 Series ANSI
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